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You searched for: mediatype:texts AND collection:theides AND subject:"Wavelet Transform"
[texts]A Sensitive Wavelet-Based Algorithm for Fault Detection in Power Distribution Networks - Ides Editor
This paper presents a wavelet based technique for detection and classification of abnormal conditions that occur on power distribution lines. The transients associated with these conditions contain a large spectrum of frequencies, which are analyzed using wavelet transform approach. The proposed technique depends on a sensitive fault detection parameter (denoted SFD) calculated from wavelet multi-resolution decomposition of the three phase currents...
Keywords: Wavelet Transform; Fault detection; Distribution Networks; Inrush currents
Downloads: 74
[texts]Detection of Transmission Line Faults by Wavelet Based Transient Extraction
In this paper, a novel technique is applied to detect fault in the transmission line using wavelet transform. Three phase currents are monitored at both ends of the transmission line using global positioning system synchronizing clock. Wavelet transform, which is very fast and sensitive to noise, is used to extract transients in the line currents for fault detection. Fault index is calculated based on the sum of local and remote end detail coefficients and compared with threshold value to detect...
Keywords: Wavelet transform; transmission line faults; power system protection; fault transients; multiresolution analysis
Downloads: 237
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